<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="../css/bootstrap.min.css">
    <title>登录界面</title>
    <style>
        #login_form {
            width: 480px;
            margin-top: 20px;
            margin-left: auto;
            margin-right: auto;
        }
    </style>
</head>

<body>
    <form id="login_form">
        <div class="form-group">
            <label for="exampleInputEmail1">Username</label>
            <input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp">
        </div>
        <div class="form-group">
            <label for="exampleInputPassword1">Password</label>
            <input type="password" class="form-control" id="exampleInputPassword1">
        </div>
        <button type="submit" class="btn btn-primary">Submit</button>
    </form>
    <script>

    </script>
</body>

</html>